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I will wait until at least 11.1 before I consider upgrading my parents devices.

By then I'm hoping most bugs will be fixed and apps will have been updated.
 
By website traffic. Companies that collect traffic data from numerous large sites post graphs based on visits from various OS.

That makes sense though I wonder how sophisticated they are in understanding the data. I mean it's a fair bet that the kind of people who update quickly are also likely heavy users of the internet I think so it would be hard to avoid oversampling them.
 
Apple should just automatically update everyone. They nag you until you do it anyways.
Not bad considering the update nagging only started today.

Although it did jump right to the 'click OK and we'll install it for you tonight', so expect a spike in these numbers tomorrow.
I find it rather odd that some people in my social area are just now noticing iOS 11 was released. These updates are taking way too long to nag us this year.
 
I'm part of the proud 53%. In about 30 years of owning and using Apple products, this marks the first time I've elected not to do software upgrade.

This is not the Apple I grew up with. And it's not the company that transformed itself starting around the mid 2000s either. I'm not blaming Tim Cook like lots of people on here do. But I am no longer the Apple enthusiast and evangelist I once was.

Not sure I understand your logic. I've upgraded all of my devices to iOS 11 and High Sierra. Everything is working just flawlessly and I love the incremental improvements over iOS 10. It seems these days there's just more and more nitpicking at what Apple's doing when by and large the vast majority of Apple users are quite happy with their day to day experiences.
 
After 11 iOS versions this is the first I regret installing. My iPad Air 2 only slowed down a little and doesn’t really bother me, but my iPhone 6 Plus is a stuttering and lagging mess. I have a legit 3-4 second delay from tapping an app to it opening. It’s frustrating the hell out of me.
 
When they keeping pinging you with incremental patches, it does not take long. It's really a move it or lose functionaltiy approach.
 
I carry 2 iPhone SE's. One for work and one for personal. I installed iOS 11 on my personal device on day 1. I have to say, I wish I could roll it back. There is a lag any time I open an app in iOS11 and I've also noticed that apps take longer to load initially.

I've done side-by-side comparisons opening apps from a fresh restart and the device running iOS 10 was faster in every test.

I'm assuming it's due to the work-related malware installed on my work phone, but I have not been nagged about updating to 11 yet and I don't intend to. If I get an iPhone 7 or newer I'm sure it would run great and I'd love it.
 
Of course it has taken over, once you install it you can't revert back. It is unfortunate that Apple is so heavy handed with iOS updates. Once 11.0.3 installed, older apps no longer work and now you can't restore from an older backup image to migrate data from those apps. Old archives are no longer valuable, since after restoring they immediately load a fresh 11.0.3 install. This is MY device, not Apple's. If I want to revert to an old backup image, I should be allowed to do so.

The device is yours, the software is Apple's.

(Not defending that at all, just saying, that's the argument you'd get if you really pushed on that idea...)
 
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And someone said adoption rate is slow for 11
It is, if you had read the article you’d have known that it took much less time for iOS 10 to overtake iOS 9 than it’s takin iOS 11 to overtake iOS 10. This is not surprising: it’s a very buggy release that adds virtually no features and slows down older devices, so quite understandably people stay away from it despite Apple aggressive attempts to force the upgrade.
 
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it's not hard for iphone users to wait with updating... not the most interesting update this time around.

11.1 will probably increase this fast, because people will be receiving emojis they can't see. ;)
 
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11 on my air 2, and yes the features are very nice, and yes, it's also laggy and stuttery. My iPhone 7 is on 10, and I think it'll stay there. I don't want to risk performance and battery life for the lesser feature set that 11 brings to iPhone as compared to iPad.
 
Slight correction: The 47% statistic is iOS 11 usage not installation. Mixpanel's data is from people people who use their iPhone to visit sites they monitor, Apple knows the real installation number, that would be lower than 47% due to people who don't use their phones as much, so less likely to be counted in the Mixpanel's data and less likely to have updated to iOS 11
Compare Mixpanel's Android usage data to Google's installation data
 
Slight correction: The 47% statistic is iOS 11 usage not installation. Mixpanel's data is from people people who use their iPhone to visit sites they monitor, Apple knows the real installation number, that would be lower than 47% due to people who don't use their phones as much, so less likely to be counted in the Mixpanel's data and less likely to have updated to iOS 11
Compare Mixpanel's Android usage data to Google's installation data

That makes no sense. People who have upgraded their iPhones to iOS 11, but don’t visit their websites would put adoption higher, not lower.
 
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